| San Diego to Castrovillari | 6,597.62 mi (10,617.85 km) |
| San Diego to Catania | 6,686.01 mi (10,760.10 km) |
| San Diego to Catanzaro | 6,660.77 mi (10,719.48 km) |
| San Diego to Cattolica | 6,262.66 mi (10,078.78 km) |
| San Diego to Cava de' Tirreni | 6,500.67 mi (10,461.82 km) |
| San Diego to Cavallino | 6,633.99 mi (10,676.37 km) |
| San Diego to Cavarzere | 6,180.29 mi (9,946.21 km) |
| San Diego to Cave | 6,382.78 mi (10,272.10 km) |
| San Diego to Cavriago | 6,153.15 mi (9,902.53 km) |
| San Diego to Cavriglia | 6,245.65 mi (10,051.40 km) |
| San Diego to Cazzago San Martino | 6,091.28 mi (9,802.97 km) |
| San Diego to Ceccano | 6,409.28 mi (10,314.73 km) |
| San Diego to Cecina | 6,223.95 mi (10,016.48 km) |
| San Diego to Cefalu | 6,620.41 mi (10,654.53 km) |
| San Diego to Ceglie Messapico | 6,593.54 mi (10,611.28 km) |
